Device for mixing multiple substances



FIG. 1 is a perspective view of a device for mixing multiple substances, showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof.

Broken lines in the drawings denote features of the article that are included for the purpose of illustrating context, but form no part of the claimed design. 

CLAIM The ornamental design for a device for mixing multiple substances, as shown and described. 